Solution

Solution

Solution steps
Find where is equal to zero or undefined
Identify critical points not in domain
Domain of
All critical points are in domain

Popular Examples

critical f(x,y)=x^3-3xy^2+9y^2critical 7x^2ln(x)critical f(x,y)=3x^3-5y^2-255x+70y+23critical f(x)=10+12x-3x^2-x^3critical f(x)=(-8)/(x^{4/3)(6-x)^{5/3}}

Frequently Asked Questions (FAQ)

  • What is the critical 2x^4+4x^2-30 ?

    The critical 2x^4+4x^2-30 is x=0